CVE-2026-41080

LOW EPSS 29.8%
Published Apr 16, 20262mo ago · Modified Jun 17, 20261w ago
2.9 CVSS 3.1
Low
Find Similar
Published Apr 16, 2026 2mo ago
Last Modified Jun 17, 2026 1w ago

Description

libexpat before 2.8.0 uses insufficient entropy, and thus hash flooding can occur via a crafted XML document.

CVSS Details

Base Score
2.9
Exploitability
1.4
Impact
1.4
Vector string
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Local
Attack Complexity High
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

EPSS Exploit Probability
29.8% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-331

Affected Products 1

VendorProductVersionRange
libexpat_projectlibexpat* <2.8.0

References 5

  • openwall.com http://www.openwall.com/lists/oss-security/2026/04/26/1
    Mailing List
  • blog.hartwork.org https://blog.hartwork.org/posts/expat-2-8-0-released/
    Release Notes
  • github.com https://github.com/libexpat/libexpat/issues/47
    Issue Tracking
  • github.com https://github.com/libexpat/libexpat/pull/1183
    Issue TrackingPatch
  • openwall.com https://www.openwall.com/lists/oss-security/2026/04/26/1
    Mailing List

Remediation

  • github.com https://github.com/libexpat/libexpat/pull/1183
    Issue TrackingPatch